The dark sky table shows the Pacific Daylight Saving Time (PDT) times for sunset, astronomical twilight ends, astronomical twilight starts, sunrise, moonrise, moonset and total moon-free, twilight-free viewing time for Portland, Oregon, U.S.A. (Longitude: West 122.68 degrees & Latitude: North 45.52 degrees). Moon-free, twilight-free viewing time is the best time to observer deep sky objects because the moon light and twilight will not interfere with observing these faint objects.

Format:  ##:##SS = Sunset     ##:##TE = Twilight Ends    ##:##MR = Moonrise             
         ##:##SR = Sun Rise   ##:##TS = Twilight Starts  ##:##MS = Moonset
         ##:##VT = Moon-free, Twilight-free Viewing Time                  

Date            Sunset        Twilight Ends    Twilight Starts  Sun Rise  Viewing Time

 6- 1          20:51SS 22:19MR 23: 7TE          3: 7TS          5:25SR  6:10MS  0: 0VT 
 6- 2          20:52SS         23:10TE 23:10MR  3: 7TS          5:24SR  7:11MS  0: 0VT 
 6- 3          20:52SS         23:10TE 23:52MR  3: 5TS          5:24SR  8:22MS  0:41VT 
 6- 4          20:53SS         23:12TE  0:25MR  3: 4TS          5:22SR  9:36MS  1:13VT 
 6- 5          20:55SS         23:13TE  0:52MR  3: 4TS          5:22SR 10:52MS  1:38VT 
 6- 6          20:55SS         23:15TE  1:13MR  3: 2TS          5:22SR          1:58VT 
 6- 7  12: 7MS 20:55SS         23:16TE  1:34MR  3: 1TS          5:22SR          2:17VT 
 6- 8  13:23MS 20:57SS         23:16TE  1:52MR  3: 1TS          5:22SR          2:36VT 
 6- 9  14:40MS 20:57SS         23:17TE  2:12MR  3: 1TS          5:22SR          2:54VT 
 6-10  16: 1MS 20:58SS         23:19TE  2:34MR  3: 0TS          5:20SR          3:15VT 
 6-11  17:23MS 20:58SS         23:19TE          3: 0TS  3: 1MR  5:20SR          3:40VT 
 6-12  18:49MS 20:58SS         23:21TE          2:58TS  3:37MR  5:20SR          3:37VT 
 6-13  20:10MS 21: 0SS         23:22TE          2:58TS  4:22MR  5:20SR          3:36VT 
 6-14          21: 0SS 21:23MS 23:22TE          2:58TS          5:20SR  5:22MR  3:35VT 
 6-15          21: 1SS 22:22MS 23:22TE          2:58TS          5:20SR  6:33MR  3:35VT 
 6-16          21: 1SS 23: 7MS 23:23TE          2:58TS          5:20SR  7:49MR  3:34VT 
 6-17          21: 1SS         23:23TE 23:40MS  2:58TS          5:20SR  9: 4MR  3:17VT 
 6-18          21: 1SS         23:25TE  0: 4MS  2:58TS          5:20SR 10:16MR  2:54VT 
 6-19          21: 1SS         23:25TE  0:24MS  2:58TS          5:20SR 11:25MR  2:34VT 
 6-20          21: 1SS         23:25TE  0:42MS  2:58TS          5:20SR          2:16VT 
 6-21  12:31MR 21: 2SS         23:25TE  0:57MS  2:58TS          5:22SR          2: 1VT 
 6-22  13:37MR 21: 2SS         23:25TE  1:13MS  2:58TS          5:22SR          1:45VT 
 6-23  14:40MR 21: 2SS         23:25TE  1:28MS  2:58TS          5:22SR          1:30VT 
 6-24  15:45MR 21: 2SS         23:25TE  1:47MS  3: 0TS          5:22SR          1:12VT 
 6-25  16:52MR 21: 2SS         23:25TE  2:10MS  3: 0TS          5:22SR          0:49VT 
 6-26  18: 0MR 21: 2SS         23:25TE  2:39MS  3: 1TS          5:22SR          0:22VT 
 6-27  19: 7MR 21: 2SS         23:25TE          3: 1TS  3:15MS  5:24SR          0: 0VT 
 6-28  20:10MR 21: 2SS         23:25TE          3: 1TS  4: 3MS  5:24SR          0: 0VT 
 6-29          21: 2SS 21: 6MR 23:25TE          3: 2TS  5: 1MS  5:25SR          0: 0VT 
 6-30          21: 2SS 21:51MR 23:23TE          3: 4TS          5:25SR  6:10MS  0: 0VT 

This Dark Sky table may print better in landscape orientation. Also, when printing using Netscape check the Black Text option in the File menu, Page Setup... menu in order to print the white text. This Dark Sky table was created by Dave Heider's Dark Sky DOS program. Download the Dark Sky DOS program to create your own unique Dark Sky tables for your location and time of observing.

© 1998-2003 David Haworth